diff options
Diffstat (limited to 'onenand_ipl')
| -rw-r--r-- | onenand_ipl/board/apollon/Makefile | 87 | ||||
| -rw-r--r-- | onenand_ipl/board/apollon/apollon.c | 70 | ||||
| -rw-r--r-- | onenand_ipl/board/apollon/config.mk | 14 | ||||
| -rw-r--r-- | onenand_ipl/board/apollon/low_levelinit.S | 205 | ||||
| -rw-r--r-- | onenand_ipl/board/apollon/u-boot.onenand.lds | 53 | ||||
| -rw-r--r-- | onenand_ipl/onenand_boot.c | 48 | ||||
| -rw-r--r-- | onenand_ipl/onenand_ipl.h | 36 | ||||
| -rw-r--r-- | onenand_ipl/onenand_read.c | 158 |
8 files changed, 0 insertions, 671 deletions
diff --git a/onenand_ipl/board/apollon/Makefile b/onenand_ipl/board/apollon/Makefile deleted file mode 100644 index 3bc9920..0000000 --- a/onenand_ipl/board/apollon/Makefile +++ /dev/null @@ -1,87 +0,0 @@ - -include $(TOPDIR)/config.mk -include $(TOPDIR)/onenand_ipl/board/$(BOARDDIR)/config.mk - -LDSCRIPT= $(TOPDIR)/onenand_ipl/board/$(BOARDDIR)/u-boot.onenand.lds -LDFLAGS = -Bstatic -T $(onenandobj)u-boot.lds -Ttext $(CONFIG_SYS_TEXT_BASE) $(PLATFORM_LDFLAGS) -AFLAGS += -DCONFIG_SPL_BUILD -DCONFIG_ONENAND_IPL -CFLAGS += -DCONFIG_SPL_BUILD -DCONFIG_ONENAND_IPL -OBJCFLAGS += --gap-fill=0x00 - -SOBJS := low_levelinit.o -SOBJS += start.o -COBJS := apollon.o -COBJS += onenand_read.o -COBJS += onenand_boot.o - -SRCS := $(addprefix $(obj),$(SOBJS:.o=.S) $(COBJS:.o=.c)) -OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) -__OBJS := $(SOBJS) $(COBJS) -LNDIR := $(OBJTREE)/onenand_ipl/board/$(BOARDDIR) - -onenandobj := $(OBJTREE)/onenand_ipl/ - -ALL = $(onenandobj)onenand-ipl $(onenandobj)onenand-ipl.bin $(onenandobj)onenand-ipl-2k.bin $(onenandobj)onenand-ipl-4k.bin - -all: $(obj).depend $(ALL) - -$(onenandobj)onenand-ipl-2k.bin: $(onenandobj)onenand-ipl - $(OBJCOPY) ${OBJCFLAGS} --pad-to=0x800 -O binary $< $@ - -$(onenandobj)onenand-ipl-4k.bin: $(onenandobj)onenand-ipl - $(OBJCOPY) ${OBJCFLAGS} --pad-to=0x1000 -O binary $< $@ - -$(onenandobj)onenand-ipl.bin: $(onenandobj)onenand-ipl - $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@ - -$(onenandobj)onenand-ipl: $(OBJS) $(onenandobj)u-boot.lds - cd $(LNDIR) && $(LD) $(LDFLAGS) $$UNDEF_SYM $(__OBJS) \ - -Map $@.map -o $@ - -$(onenandobj)u-boot.lds: $(LDSCRIPT) - $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@ - -# create symbolic links from common files - -# from cpu directory -$(obj)start.S: - @rm -f $@ - ln -s $(SRCTREE)/$(CPUDIR)/start.S $@ - -# from onenand_ipl directory -$(obj)onenand_ipl.h: - @rm -f $@ - ln -s $(SRCTREE)/onenand_ipl/onenand_ipl.h $@ - -$(obj)onenand_boot.c: $(obj)onenand_ipl.h - @rm -f $@ - ln -s $(SRCTREE)/onenand_ipl/onenand_boot.c $@ - -$(obj)onenand_read.c: $(obj)onenand_ipl.h - @rm -f $@ - ln -s $(SRCTREE)/onenand_ipl/onenand_read.c $@ - -ifneq ($(OBJTREE), $(SRCTREE)) -$(obj)apollon.c: - @rm -f $@ - ln -s $(SRCTREE)/onenand_ipl/board/$(BOARDDIR)/apollon.c $@ - -$(obj)low_levelinit.S: - @rm -f $@ - ln -s $(SRCTREE)/onenand_ipl/board/$(BOARDDIR)/low_levelinit.S $@ -endif - -######################################################################### - -$(obj)%.o: $(obj)%.S - $(CC) $(AFLAGS) -c -o $@ $< - -$(obj)%.o: $(obj)$.c - $(CC) $(CFLAGS) -c -o $@ $< - -# defines $(obj).depend target -include $(SRCTREE)/rules.mk - -sinclude $(obj).depend - -######################################################################### diff --git a/onenand_ipl/board/apollon/apollon.c b/onenand_ipl/board/apollon/apollon.c deleted file mode 100644 index 4936e00..0000000 --- a/onenand_ipl/board/apollon/apollon.c +++ /dev/null @@ -1,70 +0,0 @@ -/* - * (C) Copyright 2005-2008 Samsung Electronics - * Kyungmin Park <kyungmin.park@samsung.com> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ -#include <common.h> -#include <asm/arch/mux.h> - -#define write_config_reg(reg, value) \ -do { \ - writeb(value, reg); \ -} while (0) - -/***************************************** - * Routine: board_init - * Description: Early hardware init. - *****************************************/ -int board_init(void) -{ - return 0; -} - -#ifdef CONFIG_SYS_PRINTF -/* Pin Muxing registers used for UART1 */ -/**************************************** - * Routine: muxSetupUART1 (ostboot) - * Description: Set up uart1 muxing - *****************************************/ -static void muxSetupUART1(void) -{ - /* UART1_CTS pin configuration, PIN = D21 */ - write_config_reg(CONTROL_PADCONF_UART1_CTS, 0); - /* UART1_RTS pin configuration, PIN = H21 */ - write_config_reg(CONTROL_PADCONF_UART1_RTS, 0); - /* UART1_TX pin configuration, PIN = L20 */ - write_config_reg(CONTROL_PADCONF_UART1_TX, 0); - /* UART1_RX pin configuration, PIN = T21 */ - write_config_reg(CONTROL_PADCONF_UART1_RX, 0); -} -#endif - -/********************************************************** - * Routine: s_init - * Description: Does early system init of muxing and clocks. - * - Called at time when only stack is available. - **********************************************************/ -int s_init(int skip) -{ -#ifdef CONFIG_SYS_PRINTF - muxSetupUART1(); -#endif - return 0; -} diff --git a/onenand_ipl/board/apollon/config.mk b/onenand_ipl/board/apollon/config.mk deleted file mode 100644 index 62956e8..0000000 --- a/onenand_ipl/board/apollon/config.mk +++ /dev/null @@ -1,14 +0,0 @@ -# -# (C) Copyright 2005-2008 Samsung Electronics -# Kyungmin Park <kyungmin.park@samsung.com> -# -# Samsung Apollon board with OMAP2420 (ARM1136) cpu -# -# Apollon has 1 bank of 128MB mDDR-SDRAM on CS0 -# Physical Address: -# 8000'0000 (bank0) -# 8800'0000 (bank1) -# Linux-Kernel is expected to be at 8000'8000, entry 8000'8000 -# (mem base + reserved) - -CONFIG_SYS_TEXT_BASE = 0x00000000 diff --git a/onenand_ipl/board/apollon/low_levelinit.S b/onenand_ipl/board/apollon/low_levelinit.S deleted file mode 100644 index cab4227..0000000 --- a/onenand_ipl/board/apollon/low_levelinit.S +++ /dev/null @@ -1,205 +0,0 @@ -/* - * Board specific setup info - * - * (C) Copyright 2005-2008 Samsung Electronics - * Kyungmin Park <kyungmin.park@samsung.com> - * - * Derived from board/omap2420h4/platform.S - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <config.h> -#include <asm/arch/omap2420.h> -#include <asm/arch/mem.h> -#include <asm/arch/clocks.h> - -#define APOLLON_CS0_BASE 0x00000000 - -#ifdef PRCM_CONFIG_I -#define SDRC_ACTIM_CTRLA_0_VAL 0x7BA35907 -#define SDRC_ACTIM_CTRLB_0_VAL 0x00000013 -#define SDRC_RFR_CTRL_0_VAL 0x00044C01 - -/* GPMC */ -#define APOLLON_GPMC_CONFIG1_0 0xe30d1201 -#define APOLLON_GPMC_CONFIG2_0 0x000c1000 -#define APOLLON_GPMC_CONFIG3_0 0x00030400 -#define APOLLON_GPMC_CONFIG4_0 0x0B841006 -#define APOLLON_GPMC_CONFIG5_0 0x020F0C11 -#define APOLLON_GPMC_CONFIG6_0 0x00000000 -#define APOLLON_GPMC_CONFIG7_0 (0x00000e40 | (APOLLON_CS0_BASE >> 24)) - -#elif defined(PRCM_CONFIG_II) -#define SDRC_ACTIM_CTRLA_0_VAL 0x4A59B485 -#define SDRC_ACTIM_CTRLB_0_VAL 0x0000000C -#define SDRC_RFR_CTRL_0_VAL 0x00030001 - -/* GPMC */ -#define APOLLON_GPMC_CONFIG1_0 0xe30d1201 -#define APOLLON_GPMC_CONFIG2_0 0x00080E81 -#define APOLLON_GPMC_CONFIG3_0 0x00030400 -#define APOLLON_GPMC_CONFIG4_0 0x08041586 -#define APOLLON_GPMC_CONFIG5_0 0x020C090E -#define APOLLON_GPMC_CONFIG6_0 0x00000000 -#define APOLLON_GPMC_CONFIG7_0 (0x00000e40 | (APOLLON_CS0_BASE >> 24)) - -#else -#error "Please configure PRCM schecm" -#endif - -_TEXT_BASE: - .word CONFIG_SYS_TEXT_BASE /* sdram load addr from config.mk */ - -.globl lowlevel_init -lowlevel_init: - mov r3, r0 /* save skip information */ - - /* Disable watchdog */ - ldr r0, =WD2_BASE - ldr r1, =WD_UNLOCK1 - str r1, [r0, #WSPR] - - ldr r1, =WD_UNLOCK2 - str r1, [r0, #WSPR] - -#ifdef DEBUG_LED - /* LED0 OFF */ - ldr r0, =0x480000E5 /* ball AA10, mode 3 */ - mov r1, #0x0b - strb r1, [r0] -#endif - - /* Pin muxing for SDRC */ - mov r1, #0x00 - ldr r0, =0x480000A1 /* ball C12, mode 0 */ - strb r1, [r0] - - ldr r0, =0x48000032 /* ball D11, mode 0 */ - strb r1, [r0] - - ldr r0, =0x480000A3 /* ball B13, mode 0 */ - strb r1, [r0] - - /* SDRC setting */ - ldr r0, =OMAP2420_SDRC_BASE - ldr r1, =0x00000010 - str r1, [r0, #0x10] - - ldr r1, =0x00000100 - str r1, [r0, #0x44] - - /* SDRC CS0 configuration */ -#ifdef CONFIG_APOLLON_PLUS - ldr r1, =0x01702011 -#else - ldr r1, =0x00d04011 -#endif - str r1, [r0, #0x80] - - ldr r1, =SDRC_ACTIM_CTRLA_0_VAL - str r1, [r0, #0x9C] - - ldr r1, =SDRC_ACTIM_CTRLB_0_VAL - str r1, [r0, #0xA0] - - ldr r1, =SDRC_RFR_CTRL_0_VAL - str r1, [r0, #0xA4] - - ldr r1, =0x00000041 - str r1, [r0, #0x70] - - /* Manual command sequence */ - ldr r1, =0x00000007 - str r1, [r0, #0xA8] - - ldr r1, =0x00000000 - str r1, [r0, #0xA8] - - ldr r1, =0x00000001 - str r1, [r0, #0xA8] - - ldr r1, =0x00000002 - str r1, [r0, #0xA8] - str r1, [r0, #0xA8] - - /* - * CS0 SDRC Mode register - * Burst length = 4 - DDR memory - * Serial mode - * CAS latency = 3 - */ - ldr r1, =0x00000032 - str r1, [r0, #0x84] - - /* Note: You MUST set EMR values */ - /* EMR1 & EMR2 */ - ldr r1, =0x00000000 - str r1, [r0, #0x88] - str r1, [r0, #0x8C] - -#ifdef OLD_SDRC_DLLA_CTRL - /* SDRC_DLLA_CTRL */ - ldr r1, =0x00007306 - str r1, [r0, #0x60] - - ldr r1, =0x00007303 - str r1, [r0, #0x60] -#else - /* SDRC_DLLA_CTRL */ - ldr r1, =0x00000506 - str r1, [r0, #0x60] - - ldr r1, =0x00000503 - str r1, [r0, #0x60] -#endif - -#ifdef __BROKEN_FEATURE__ - /* SDRC_DLLB_CTRL */ - ldr r1, =0x00000506 - str r1, [r0, #0x68] - - ldr r1, =0x00000503 - str r1, [r0, #0x68] -#endif - - /* little delay after init */ - mov r2, #0x1800 -1: - subs r2, r2, #0x1 - bne 1b - - ldr sp, SRAM_STACK - str ip, [sp] /* stash old link register */ - mov ip, lr /* save link reg across call */ - mov r0, r3 /* pass skip info to s_init */ - - bl s_init /* go setup pll,mux,memory */ - - ldr ip, [sp] /* restore save ip */ - mov lr, ip /* restore link reg */ - - /* back to arch calling code */ - mov pc, lr - - /* the literal pools origin */ - .ltorg - -SRAM_STACK: - .word LOW_LEVEL_SRAM_STACK diff --git a/onenand_ipl/board/apollon/u-boot.onenand.lds b/onenand_ipl/board/apollon/u-boot.onenand.lds deleted file mode 100644 index 721d2f5..0000000 --- a/onenand_ipl/board/apollon/u-boot.onenand.lds +++ /dev/null @@ -1,53 +0,0 @@ -/* - * (C) Copyright 2005-2008 Samsung Electronics - * Kyungmin Park <kyungmin.park@samsung.com> - * - * Derived from X-loader - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") -OUTPUT_ARCH(arm) -ENTRY(_start) -SECTIONS -{ - . = 0x00000000; - - . = ALIGN(4); - .text : - { - start.o (.text) - *(.text) - } - - . = ALIGN(4); - .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) } - - . = ALIGN(4); - .data : { *(.data) } - - . = ALIGN(4); - .got : { *(.got) } - - . = ALIGN(4); - __bss_start = .; - .bss : { *(.bss) . = ALIGN(4); } - __bss_end__ = .; -} diff --git a/onenand_ipl/onenand_boot.c b/onenand_ipl/onenand_boot.c deleted file mode 100644 index 22baebb..0000000 --- a/onenand_ipl/onenand_boot.c +++ /dev/null @@ -1,48 +0,0 @@ -/* - * (C) Copyright 2005-2008 Samsung Electronics - * Kyungmin Park <kyungmin.park@samsung.com> - * - * Derived from x-loader - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> - -#include "onenand_ipl.h" - -typedef int (init_fnc_t)(void); - -void start_oneboot(void) -{ - uchar *buf; - - buf = (uchar *) CONFIG_SYS_LOAD_ADDR; - - onenand_read_block(buf); - - ((init_fnc_t *)CONFIG_SYS_LOAD_ADDR)(); - - /* should never come here */ -} - -void hang(void) -{ - for (;;); -} diff --git a/onenand_ipl/onenand_ipl.h b/onenand_ipl/onenand_ipl.h deleted file mode 100644 index 7ebb3e3..0000000 --- a/onenand_ipl/onenand_ipl.h +++ /dev/null @@ -1,36 +0,0 @@ -/* - * (C) Copyright 2005-2008 Samsung Electronics - * Kyungmin Park <kyungmin.park@samsung.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#ifndef _ONENAND_IPL_H -#define _ONENAND_IPL_H - -#include <linux/mtd/onenand_regs.h> - -#define onenand_readw(a) readw(THIS_ONENAND(a)) -#define onenand_writew(v, a) writew(v, THIS_ONENAND(a)) - -#define THIS_ONENAND(a) (CONFIG_SYS_ONENAND_BASE + (a)) - -#define READ_INTERRUPT() onenand_readw(ONENAND_REG_INTERRUPT) - -extern int (*onenand_read_page)(ulong block, ulong page, - u_char *buf, int pagesize); -extern int onenand_read_block(unsigned char *buf); -#endif diff --git a/onenand_ipl/onenand_read.c b/onenand_ipl/onenand_read.c deleted file mode 100644 index 8d0df81..0000000 --- a/onenand_ipl/onenand_read.c +++ /dev/null @@ -1,158 +0,0 @@ -/* - * (C) Copyright 2005-2009 Samsung Electronics - * Kyungmin Park <kyungmin.park@samsung.com> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> - -#include <asm/io.h> -#include <asm/string.h> - -#include "onenand_ipl.h" - -#define onenand_block_address(block) (block) -#define onenand_sector_address(page) (page << 2) -#define onenand_buffer_address() ((1 << 3) << 8) -#define onenand_bufferram_address(block) (0) - -#ifdef __HAVE_ARCH_MEMCPY32 -extern void *memcpy32(void *dest, void *src, int size); -#endif - -int (*onenand_read_page)(ulong block, ulong page, u_char *buf, int pagesize); - -/* read a page with ECC */ -static int generic_onenand_read_page(ulong block, ulong page, - u_char * buf, int pagesize) -{ - unsigned long *base; - -#ifndef __HAVE_ARCH_MEMCPY32 - unsigned int offset, value; - unsigned long *p; -#endif - - onenand_writew(onenand_block_address(block), - ONENAND_REG_START_ADDRESS1); - - onenand_writew(onenand_bufferram_address(block), - ONENAND_REG_START_ADDRESS2); - - onenand_writew(onenand_sector_address(page), - ONENAND_REG_START_ADDRESS8); - - onenand_writew(onenand_buffer_address(), - ONENAND_REG_START_BUFFER); - - onenand_writew(ONENAND_INT_CLEAR, ONENAND_REG_INTERRUPT); - - onenand_writew(ONENAND_CMD_READ, ONENAND_REG_COMMAND); - -#ifndef __HAVE_ARCH_MEMCPY32 - p = (unsigned long *) buf; -#endif - base = (unsigned long *) (CONFIG_SYS_ONENAND_BASE + ONENAND_DATARAM); - - while (!(READ_INTERRUPT() & ONENAND_INT_READ)) - continue; - - /* Check for invalid block mark */ - if (page < 2 && (onenand_readw(ONENAND_SPARERAM) != 0xffff)) - return 1; - -#ifdef __HAVE_ARCH_MEMCPY32 - /* 32 bytes boundary memory copy */ - memcpy32(buf, base, pagesize); -#else - for (offset = 0; offset < (pagesize >> 2); offset++) { - value = *(base + offset); - *p++ = value; - } -#endif - - return 0; -} - -#ifndef CONFIG_ONENAND_START_PAGE -#define CONFIG_ONENAND_START_PAGE 1 -#endif -#define ONENAND_PAGES_PER_BLOCK 64 - -static void onenand_generic_init(int *page_is_4KiB, int *page) -{ - int dev_id, density; - - if (onenand_readw(ONENAND_REG_TECHNOLOGY)) - *page_is_4KiB = 1; - dev_id = onenand_readw(ONENAND_REG_DEVICE_ID); - density = dev_id >> ONENAND_DEVICE_DENSITY_SHIFT; - density &= ONENAND_DEVICE_DENSITY_MASK; - if (density >= ONENAND_DEVICE_DENSITY_4Gb && - !(dev_id & ONENAND_DEVICE_IS_DDP)) - *page_is_4KiB = 1; -} - -/** - * onenand_read_block - Read CONFIG_SYS_MONITOR_LEN from begining - * of OneNAND, skipping bad blocks - * @return 0 on success - */ -int onenand_read_block(unsigned char *buf) -{ - int block, nblocks; - int page = CONFIG_ONENAND_START_PAGE, offset = 0; - int pagesize, erasesize, erase_shift; - int page_is_4KiB = 0; - - onenand_read_page = generic_onenand_read_page; - - onenand_generic_init(&page_is_4KiB, &page); - - if (page_is_4KiB) { - pagesize = 4096; /* OneNAND has 4KiB pagesize */ - erase_shift = 18; - } else { - pagesize = 2048; /* OneNAND has 2KiB pagesize */ - erase_shift = 17; - } - - erasesize = (1 << erase_shift); - nblocks = (CONFIG_SYS_MONITOR_LEN + erasesize - 1) >> erase_shift; - - /* NOTE: you must read page from page 1 of block 0 */ - /* read the block page by page */ - for (block = 0; block < nblocks; block++) { - for (; page < ONENAND_PAGES_PER_BLOCK; page++) { - if (onenand_read_page(block, page, buf + offset, - pagesize)) { - /* This block is bad. Skip it - * and read next block */ - offset -= page * pagesize; - nblocks++; - break; - } - offset += pagesize; - } - page = 0; - } - - return 0; -} |